EP1938670B8 - Electronic ballast device and method for operating an electric lamp - Google Patents
Electronic ballast device and method for operating an electric lamp Download PDFInfo
- Publication number
- EP1938670B8 EP1938670B8 EP06807224A EP06807224A EP1938670B8 EP 1938670 B8 EP1938670 B8 EP 1938670B8 EP 06807224 A EP06807224 A EP 06807224A EP 06807224 A EP06807224 A EP 06807224A EP 1938670 B8 EP1938670 B8 EP 1938670B8
- Authority
- EP
- European Patent Office
- Prior art keywords
- lamp
- heating
- circuit
- electric lamp
- electronic ballast
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Not-in-force
Links
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
- H05B41/14—Circuit arrangements
- H05B41/26—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc
- H05B41/28—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters
- H05B41/295—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters with semiconductor devices and specially adapted for lamps with preheating electrodes, e.g. for fluorescent lamps
Landscapes
- Circuit Arrangements For Discharge Lamps (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102005049583A DE102005049583A1 (en) | 2005-10-17 | 2005-10-17 | Electronic ballast and method of operating an electric lamp |
PCT/EP2006/067359 WO2007045604A1 (en) | 2005-10-17 | 2006-10-12 | Electronic ballast device and method for operating an electric lamp |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1938670A1 EP1938670A1 (en) | 2008-07-02 |
EP1938670B1 EP1938670B1 (en) | 2011-08-10 |
EP1938670B8 true EP1938670B8 (en) | 2012-02-08 |
Family
ID=37594907
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP06807224A Not-in-force EP1938670B8 (en) | 2005-10-17 | 2006-10-12 | Electronic ballast device and method for operating an electric lamp |
Country Status (8)
Country | Link |
---|---|
US (1) | US7863830B2 (en) |
EP (1) | EP1938670B8 (en) |
KR (1) | KR101313130B1 (en) |
CN (1) | CN101288346B (en) |
AT (1) | ATE520287T1 (en) |
CA (1) | CA2625335A1 (en) |
DE (1) | DE102005049583A1 (en) |
WO (1) | WO2007045604A1 (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8212489B2 (en) * | 2007-01-17 | 2012-07-03 | Osram Ag | Circuit arrangement and method for starting and operating one or more discharge lamps |
DE102008021351A1 (en) | 2008-04-29 | 2009-11-05 | Osram Gesellschaft mit beschränkter Haftung | Method for operating a discharge lamp and lighting system with a discharge lamp |
US8564201B2 (en) * | 2010-11-05 | 2013-10-22 | Nxp B.V. | Amalgam-based fluorescent lamp control circuit |
CN102736039B (en) * | 2011-04-02 | 2016-05-11 | 欧司朗股份有限公司 | Filament testing circuit |
CN102355787B (en) * | 2011-08-08 | 2013-09-25 | 杭州电子科技大学 | Method and circuit for variable frequency dimming based on UBA2211 |
US9414472B2 (en) | 2012-09-28 | 2016-08-09 | Lutron Electronics Co., Inc. | Filament miswire protection in an electronic dimming ballast |
CN106507559B (en) * | 2015-09-08 | 2021-05-25 | 朗德万斯公司 | Lighting device |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5668446A (en) | 1995-01-17 | 1997-09-16 | Negawatt Technologies Inc. | Energy management control system for fluorescent lighting |
GB2337644B (en) * | 1998-05-22 | 2002-07-17 | Mackwell Electronics Ltd | Fluorescent Lamps for Emergency Lighting Applications |
US6111369A (en) | 1998-12-18 | 2000-08-29 | Clalight Israel Ltd. | Electronic ballast |
JP2001319791A (en) * | 2000-05-10 | 2001-11-16 | Matsushita Electric Ind Co Ltd | Fluorescent lamp lighting device |
JP3975653B2 (en) * | 2000-06-12 | 2007-09-12 | 松下電工株式会社 | Discharge lamp lighting device |
US7279853B2 (en) * | 2003-09-08 | 2007-10-09 | Maxlite - Sk America, Inc. | Fluorescent lamp dimmer control |
-
2005
- 2005-10-17 DE DE102005049583A patent/DE102005049583A1/en not_active Withdrawn
-
2006
- 2006-10-12 EP EP06807224A patent/EP1938670B8/en not_active Not-in-force
- 2006-10-12 WO PCT/EP2006/067359 patent/WO2007045604A1/en active Application Filing
- 2006-10-12 US US12/083,574 patent/US7863830B2/en not_active Expired - Fee Related
- 2006-10-12 AT AT06807224T patent/ATE520287T1/en active
- 2006-10-12 CN CN2006800384096A patent/CN101288346B/en not_active Expired - Fee Related
- 2006-10-12 KR KR1020087011758A patent/KR101313130B1/en active IP Right Grant
- 2006-10-12 CA CA002625335A patent/CA2625335A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
CN101288346B (en) | 2012-06-27 |
WO2007045604A1 (en) | 2007-04-26 |
US7863830B2 (en) | 2011-01-04 |
KR20080067350A (en) | 2008-07-18 |
US20090267518A1 (en) | 2009-10-29 |
EP1938670A1 (en) | 2008-07-02 |
CA2625335A1 (en) | 2007-04-26 |
KR101313130B1 (en) | 2013-09-30 |
CN101288346A (en) | 2008-10-15 |
EP1938670B1 (en) | 2011-08-10 |
ATE520287T1 (en) | 2011-08-15 |
DE102005049583A1 (en) | 2007-04-19 |
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